Lodash

add auto ref add(T other)
addLocal auto ref addLocal(string var_name, T val): Adds a variable accessible through the javascript context If it's a callback and one exists, will fail with assert failure
assign auto ref assign(ARGS sources)
assignIn auto ref assignIn(ARGS sources)
assignInWith auto ref assignInWith(T sources, U customizer)
assignWith auto ref assignWith(T sources, U customizer)
at auto ref at(ARGS paths)
attempt auto ref attempt(ARGS args)
bindAll auto ref bindAll(ARGS methodNames)
camelCase auto ref camelCase()
capitalize auto ref capitalize()
castArray auto ref castArray(): Gets the timestamp of the number of milliseconds that have elapsed since the Unix epoch (1 January 1970 00:00:00 UTC).
ceil auto ref ceil(T precision)
chunk auto ref chunk(T size): Creates an array of elements split into groups the length of size. If array can't be split evenly, the final chunk will be the remaining elements.
clamp auto ref clamp(T lower, U upper)
clone auto ref clone(): Creates a shallow clone of value.
cloneDeep auto ref cloneDeep(): This method is like _.clone except that it recursively clones value.
cloneDeepWith auto ref cloneDeepWith(T customizer): This method is like _.cloneWith except that it recursively clones value.
cloneWith auto ref cloneWith(T customizer): This method is like _.clone except that it accepts customizer which is invoked to produce the cloned value. If customizer returns undefined, cloning is handled by the method instead. The customizer is invoked with up to four arguments; (value [, index|key, object, stack]).
compact auto ref compact(): Creates an array with all falsey values removed. The values false, null, 0, "", undefined, and NaN are falsey.
concat auto ref concat(ARGS values): Creates a new array concatenating array with any additional arrays and/or values.
conformsTo auto ref conformsTo(T source): Checks if object conforms to source by invoking the predicate properties of source with the corresponding property values of object.
countBy auto ref countBy(T iteratee): Creates an object composed of keys generated from the results of running each element of collection thru iteratee. The corresponding value of each key is the number of times the key was returned by iteratee. The iteratee is invoked with one argument: (value).
create auto ref create(T properties)
deburr auto ref deburr()
defaultTo auto ref defaultTo(T defaultValue)
defaults auto ref defaults(ARGS sources)
defaultsDeep auto ref defaultsDeep(ARGS sources)
difference auto ref difference(T values): Creates an array of array values not included in the other given arrays using SameValueZero for equality comparisons. The order and references of result values are determined by the first array.
differenceBy auto ref differenceBy(T values, U iteratee): This method is like _.difference except that it accepts iteratee which is invoked for each element of array and values to generate the criterion by which they're compared. The order and references of result values are determined by the first array. The iteratee is invoked with one argument: (value).
differenceWith auto ref differenceWith(T values, U comparator): This method is like _.difference except that it accepts comparator which is invoked to compare elements of array to values. The order and references of result values are determined by the first array. The comparator is invoked with two arguments: (arrVal, othVal).
divide auto ref divide(T other)
drop auto ref drop(T size): Creates a slice of array with n elements dropped from the beginning.
dropRightWhile auto ref dropRightWhile(T predicate): Creates a slice of array excluding elements dropped from the end. Elements are dropped until predicate returns falsey. The predicate is invoked with three arguments: (value, index, array).
dropWhile auto ref dropWhile(T predicate): Creates a slice of array excluding elements dropped from the beginning. Elements are dropped until predicate returns falsey. The predicate is invoked with three arguments: (value, index, array).
endsWith auto ref endsWith(T target, U position)
eq auto ref eq(T other): Performs a SameValueZero comparison between two values to determine if they are equivalent.
escape auto ref escape()
escapeRegExp auto ref escapeRegExp()
every auto ref every(T predicate): Checks if predicate returns truthy for all elements of collection. Iteration is stopped once predicate returns falsey. The predicate is invoked with three arguments: (value, index|key, collection).
execute T execute(): Executes the compute commands accumulated so far
fill auto ref fill(T fill_value, U start, V end): Fills elements of array with value from start up to, but not including, end.
filter auto ref filter(T predicate): Iterates over elements of collection, returning an array of all elements predicate returns truthy for. The predicate is invoked with three arguments: (value, index|key, collection).
find auto ref find(T predicate, U fromIndex): Iterates over elements of collection, returning the first element predicate returns truthy for. The predicate is invoked with three arguments: (value, index|key, collection).
findIndex auto ref findIndex(T predicate, U fromIndex): This method is like _.find except that it returns the index of the first element predicate returns truthy for instead of the element itself.
findKey auto ref findKey(T predicate)
findLast auto ref findLast(T predicate, U fromIndex): This method is like _.find except that it iterates over elements of collection from right to left.
findLastIndex auto ref findLastIndex(T predicate, U fromIndex): This method is like _.findIndex except that it iterates over elements of collection from right to left.
findLastKey auto ref findLastKey(T predicate)
flatMap auto ref flatMap(T iteratee): Creates a flattened array of values by running each element in collection thru iteratee and flattening the mapped results. The iteratee is invoked with three arguments: (value, index|key, collection).
flatMapDeep auto ref flatMapDeep(T iteratee): This method is like _.flatMap except that it recursively flattens the mapped results.
flatMapDepth auto ref flatMapDepth(T iteratee, U depth): This method is like _.flatMap except that it recursively flattens the mapped results up to depth times.
flatten auto ref flatten(): Flattens array a single level deep.
flattenDeep auto ref flattenDeep(): Recursively flattens array.
flattenDepth auto ref flattenDepth(T depth): Recursively flatten array up to depth levels.
floor auto ref floor(T precision)
forEach auto ref forEach(T iteratee): Iterates over elements of collection and invokes iteratee for each element. The iteratee is invoked with three arguments: (value, index|key, collection). Iteratee functions may exit iteration early by explicitly returning false.
forEachRight auto ref forEachRight(T iteratee): This method is like _.forEach except that it iterates over elements of collection from right to left.
forIn auto ref forIn(T iteratee)
forInRight auto ref forInRight(T iteratee)
forOwn auto ref forOwn(T iteratee)
forOwnRight auto ref forOwnRight(T iteratee)
fromPairs auto ref fromPairs(): The inverse of _.toPairs; this method returns an object composed from key-value pairs.
functions auto ref functions()
functionsIn auto ref functionsIn()
get auto ref get(T path, U defaultValue)
groupBy auto ref groupBy(T iteratee): Creates an object composed of keys generated from the results of running each element of collection thru iteratee. The order of grouped values is determined by the order they occur in collection. The corresponding value of each key is an array of elements responsible for generating the key. The iteratee is invoked with one argument: (value).
gt auto ref gt(T other): Checks if value is greater than other.
gte auto ref gte(T other): Checks if value is greater than or equal to other.
has auto ref has(T path)
hasIn auto ref hasIn(T path)
head auto ref head(): Gets the first element of array.
inRange auto ref inRange(T end): Undocumented in source. Be warned that the author may not have intended to support it.
inRange auto ref inRange(T start, U end)
includes auto ref includes(T value, U fromIndex): Checks if value is in collection. If collection is a string, it's checked for a substring of value, otherwise SameValueZero is used for equality comparisons. If fromIndex is negative, it's used as the offset from the end of collection.
indexOf auto ref indexOf(T value, U fromIndex): Gets the index at which the first occurrence of value is found in array using SameValueZero for equality comparisons. If fromIndex is negative, it's used as the offset from the end of array.
initial auto ref initial(): Gets all but the last element of array.
initialize auto ref initialize(T val, VarType init_type, int size_estimate): Undocumented in source. Be warned that the author may not have intended to support it.
intersection auto ref intersection(): Creates an array of unique values that are included in all given arrays using SameValueZero for equality comparisons. The order and references of result values are determined by the first array.
intersectionBy auto ref intersectionBy(T iteratee): This method is like _.intersection except that it accepts iteratee which is invoked for each element of each arrays to generate the criterion by which they're compared. The order and references of result values are determined by the first array. The iteratee is invoked with one argument: (value).
intersectionWith auto ref intersectionWith(T comparator): This method is like _.intersection except that it accepts comparator which is invoked to compare elements of arrays. The order and references of result values are determined by the first array. The comparator is invoked with two arguments: (arrVal, othVal).
invert auto ref invert()
invertBy auto ref invertBy(T iteratee)
invoke auto ref invoke(T path, ARGS args)
invokeMap auto ref invokeMap(T path, U args): Invokes the method at path of each element in collection, returning an array of the results of each invoked method. Any additional arguments are provided to each invoked method. If path is a function, it's invoked for, and this bound to, each element in collection.
isArguments auto ref isArguments(): Checks if value is likely an arguments object.
isArray auto ref isArray(): Checks if value is classified as an Array object.
isArrayBuffer auto ref isArrayBuffer(): Checks if value is classified as an ArrayBuffer object.
isArrayLike auto ref isArrayLike(): Checks if value is array-like. A value is considered array-like if it's not a function and has a value.length that's an integer greater than or equal to 0 and less than or equal to Number.MAX_SAFE_INTEGER.
isArrayLikeObject auto ref isArrayLikeObject(): This method is like _.isArrayLike except that it also checks if value is an object.
isBoolean auto ref isBoolean(): Checks if value is classified as a boolean primitive or object.
isBuffer auto ref isBuffer(): Checks if value is a buffer.
isDate auto ref isDate(): Checks if value is classified as a Date object.
isElement auto ref isElement(): Checks if value is likely a DOM element.
isEmpty auto ref isEmpty(): Checks if value is an empty object, collection, map, or set.
isEqual auto ref isEqual(T other): Performs a deep comparison between two values to determine if they are equivalent.
isEqualWith auto ref isEqualWith(T other, U customizer): This method is like _.isEqual except that it accepts customizer which is invoked to compare values. If customizer returns undefined, comparisons are handled by the method instead. The customizer is invoked with up to six arguments: (objValue, othValue [, index|key, object, other, stack]).
isError auto ref isError(): Checks if value is an Error, EvalError, RangeError, ReferenceError, SyntaxError, TypeError, or URIError object.
isFinite auto ref isFinite(): Checks if value is a finite primitive number.
isFunction auto ref isFunction(): Checks if value is classified as a Function object.
isInteger auto ref isInteger(): Checks if value is an integer.
isLength auto ref isLength(): Checks if value is a valid array-like length.
isMap auto ref isMap(): Checks if value is classified as a Map object.
isMatch auto ref isMatch(T other): Performs a partial deep comparison between object and source to determine if object contains equivalent property values.
isMatchWith auto ref isMatchWith(T other, U customizer): This method is like _.isMatch except that it accepts customizer which is invoked to compare values. If customizer returns undefined, comparisons are handled by the method instead. The customizer is invoked with five arguments: (objValue, srcValue, index|key, object, source).
isNaN auto ref isNaN(): Checks if value is NaN.
isNative auto ref isNative(): Checks if value is a pristine native function.
isNil auto ref isNil(): Checks if value is null or undefined.
isNull auto ref isNull(): Checks if value is null or undefined.
isNumber auto ref isNumber(): Checks if value is classified as a Number primitive or object.
isObject auto ref isObject(): Checks if value is the language type of Object. (e.g. arrays, functions, objects, regexes, new Number(0), and new String(''))
isObjectLike auto ref isObjectLike(): Checks if value is object-like. A value is object-like if it's not null and has a typeof result of "object".
isPlainObject auto ref isPlainObject(): Checks if value is a plain object, that is, an object created by the Object constructor or one with a [Prototype] of null.
isRegExp auto ref isRegExp(): Checks if value is classified as a RegExp object.
isSafeInteger auto ref isSafeInteger(): Checks if value is a safe integer. An integer is safe if it's an IEEE-754 double precision number which isn't the result of a rounded unsafe integer.
isSet auto ref isSet(): Checks if value is classified as a Set object.
isString auto ref isString(): Checks if value is classified as a String primitive or object.
isSymbol auto ref isSymbol(): Checks if value is classified as a Symbol primitive or object.
isTypedArray auto ref isTypedArray(): Checks if value is classified as a typed array.
isUndefined auto ref isUndefined(): Checks if value is undefined.
isWeakMap auto ref isWeakMap(): Checks if value is classified as a WeakMap object.
isWeakSet auto ref isWeakSet(): Checks if value is classified as a WeakSet object.
join auto ref join(T separator): Converts all elements in array into a string separated by separator.
kebabCase auto ref kebabCase()
keyBy auto ref keyBy(T iteratee): Creates an object composed of keys generated from the results of running each element of collection thru iteratee. The corresponding value of each key is the last element responsible for generating the key. The iteratee is invoked with one argument: (value).
keys auto ref keys()
keysIn auto ref keysIn()
last auto ref last(): Gets the last element of array.
lastIndexOf auto ref lastIndexOf(T value, U fromIndex): This method is like _.indexOf except that it iterates over elements of array from right to left.
lowerCase auto ref lowerCase()
lowerFirst auto ref lowerFirst()
lt auto ref lt(T other): Checks if value is less than other.
lte auto ref lte(T other): Checks if value is less than or equal to other.
map auto ref map(T iteratee): Creates an array of values by running each element in collection thru iteratee. The iteratee is invoked with three arguments: (value, index|key, collection).
mapKeys auto ref mapKeys(T iteratee): The opposite of _.mapValues; this method creates an object with the same values as object and keys generated by running each own enumerable string keyed property of object thru iteratee. The iteratee is invoked with three arguments: (value, key, object).
mapValues auto ref mapValues(T iteratee): Creates an object with the same keys as object and values generated by running each own enumerable string keyed property of object thru iteratee. The iteratee is invoked with three arguments: (value, key, object).
max auto ref max()
maxBy auto ref maxBy(T iteratee)
mean auto ref mean()
meanBy auto ref meanBy(T iteratee)
merge auto ref merge(ARGS args): This method is like _.assign except that it recursively merges own and inherited enumerable string keyed properties of source objects into the destination object. Source properties that resolve to undefined are skipped if a destination value exists. Array and plain object properties are merged recursively. Other objects and value types are overridden by assignment. Source objects are applied from left to right. Subsequent sources overwrite property assignments of previous sources.
mergeWith auto ref mergeWith(T source, T customizer): This method is like _.merge except that it accepts customizer which is invoked to produce the merged values of the destination and source properties. If customizer returns undefined, merging is handled by the method instead. The customizer is invoked with six arguments: (objValue, srcValue, key, object, source, stack).
min auto ref min()
minBy auto ref minBy(T iteratee)
mixin_ auto ref mixin_(T source, U options)
multiply auto ref multiply(T other)
now auto ref now(): Gets the timestamp of the number of milliseconds that have elapsed since the Unix epoch (1 January 1970 00:00:00 UTC).
nth auto ref nth(T n): Gets the element at index n of array. If n is negative, the nth element from the end is returned.
omit auto ref omit(ARGS paths): The opposite of _.pick; this method creates an object composed of the own and inherited enumerable property paths of object that are not omitted.
omitBy auto ref omitBy(T iteratee): The opposite of _.pickBy; this method creates an object composed of the own and inherited enumerable string keyed properties of object that predicate doesn't return truthy for. The predicate is invoked with two arguments: (value, key).
onError auto ref onError(void delegate(Handle) errcb): Callback will be executed if javascript throws during execution
orderBy auto ref orderBy(T iteratees, U orders): This method is like _.sortBy except that it allows specifying the sort orders of the iteratees to sort by. If orders is unspecified, all values are sorted in ascending order. Otherwise, specify an order of "desc" for descending or "asc" for ascending sort order of corresponding values.
pad auto ref pad(T length, U chars)
padEnd auto ref padEnd(T length, U chars)
padStart auto ref padStart(T length, U chars)
parseInt auto ref parseInt(T radix)
partition auto ref partition(T iteratee): Creates an array of elements split into two groups, the first of which contains elements predicate returns truthy for, the second of which contains elements predicate returns falsey for. The predicate is invoked with one argument: (value).
pick auto ref pick(ARGS paths)
pickBy auto ref pickBy(T iteratee): Creates an object composed of the object properties predicate returns truthy for. The predicate is invoked with two arguments: (value, key).
pull auto ref pull(ARGS values): Removes all given values from array using SameValueZero for equality comparisons.
pullAll auto ref pullAll(T values): This method is like _.pull except that it accepts an array of values to remove.
pullAllBy auto ref pullAllBy(T values, U iteratee): This method is like _.pullAll except that it accepts iteratee which is invoked for each element of array and values to generate the criterion by which they're compared. The iteratee is invoked with one argument: (value).
pullAllWith auto ref pullAllWith(T values, U iteratee): This method is like _.pullAll except that it accepts iteratee which is invoked for each element of array and values to generate the criterion by which they're compared. The iteratee is invoked with one argument: (value).
pullAt auto ref pullAt(ARGS values): Removes elements from array corresponding to indexes and returns an array of removed elements.
random auto ref random(T upper, U floating)
reduce auto ref reduce(T iteratee, U accumulator): Reduces collection to a value which is the accumulated result of running each element in collection thru iteratee, where each successive invocation is supplied the return value of the previous. If accumulator is not given, the first element of collection is used as the initial value. The iteratee is invoked with four arguments: (accumulator, value, index|key, collection).
reduceRight auto ref reduceRight(T iteratee, U accumulator): This method is like _.reduce except that it iterates over elements of collection from right to left.
reject auto ref reject(T predicate): The opposite of _.filter; this method returns the elements of collection that predicate does not return truthy for.
remove auto ref remove(T predicate): Removes all elements from array that predicate returns truthy for and returns an array of the removed elements. The predicate is invoked with three arguments: (value, index, array).
repeat auto ref repeat(T radix)
replace auto ref replace(T pattern, U replacement)
result auto ref result(T path, U defaultValue)
reverse auto ref reverse(): Reverses array so that the first element becomes the last, the second element becomes the second to last, and so on.
round auto ref round(T precision)
runInContext auto ref runInContext()
sample auto ref sample(): Gets a random element from collection.
sampleSize auto ref sampleSize(T n): Gets n random elements at unique keys from collection up to the size of collection.
set auto ref set(T path, U value, V customizer)
set auto ref set(T path, U value)
shuffle auto ref shuffle(): Creates an array of shuffled values, using a version of the Fisher-Yates shuffle.
size auto ref size(): Gets the size of collection by returning its length for array-like values or the number of own enumerable string keyed properties for objects.
slice auto ref slice(T start, U end): Fills elements of array with value from start up to, but not including, end.
snakeCase auto ref snakeCase()
some auto ref some(T predicate): Checks if predicate returns truthy for any element of collection. Iteration is stopped once predicate returns truthy. The predicate is invoked with three arguments: (value, index|key, collection).
sortBy auto ref sortBy(ARGS iteratees): Creates an array of elements, sorted in ascending order by the results of running each element in a collection thru each iteratee. This method performs a stable sort, that is, it preserves the original sort order of equal elements. The iteratees are invoked with one argument: (value).
sortedIndex auto ref sortedIndex(T value): Uses a binary search to determine the lowest index at which value should be inserted into array in order to maintain its sort order.
sortedIndexBy auto ref sortedIndexBy(T value, U iteratee): This method is like _.sortedIndex except that it accepts iteratee which is invoked for value and each element of array to compute their sort ranking. The iteratee is invoked with one argument: (value).
sortedIndexOf auto ref sortedIndexOf(T value): This method is like _.indexOf except that it performs a binary search on a sorted array.
sortedLastIndex auto ref sortedLastIndex(T value): This method is like _.sortedIndex except that it returns the highest index at which value should be inserted into array in order to maintain its sort order.
sortedLastIndexBy auto ref sortedLastIndexBy(T value, U iteratee): This method is like _.sortedLastIndex except that it accepts iteratee which is invoked for value and each element of array to compute their sort ranking. The iteratee is invoked with one argument: (value).
sortedLastIndexOf auto ref sortedLastIndexOf(T value): This method is like _.lastIndexOf except that it performs a binary search on a sorted array.
sortedUniq auto ref sortedUniq(): This method is like _.uniq except that it's designed and optimized for sorted arrays.
sortedUniqBy auto ref sortedUniqBy(T iteratee): This method is like _.uniqBy except that it's designed and optimized for sorted arrays.
split auto ref split(T separator, U limit)
startCase auto ref startCase()
startsWith auto ref startsWith(T target, U position)
subtract auto ref subtract(T other)
sum auto ref sum()
sumBy auto ref sumBy(T iteratee)
tail auto ref tail(): Gets all but the first element of array.
take auto ref take(T n): Creates a slice of array with n elements taken from the beginning.
takeRight auto ref takeRight(T n): Creates a slice of array with n elements taken from the end.
takeRightWhile auto ref takeRightWhile(T predicate): Creates a slice of array with elements taken from the end. Elements are taken until predicate returns falsey. The predicate is invoked with three arguments: (value, index, array).
takeWhile auto ref takeWhile(T predicate): Creates a slice of array with elements taken from the beginning. Elements are taken until predicate returns falsey. The predicate is invoked with three arguments: (value, index, array).
template_ auto ref template_(T options)
toArray auto ref toArray(): Converts value to an array. _.toArray({ 'a': 1, 'b': 2 }); // => [1, 2]
toFinite auto ref toFinite(): Converts value to a finite number.
toInteger auto ref toInteger(): Converts value to an integer.
toLength auto ref toLength(): Converts value to an integer suitable for use as the length of an array-like object.
toLower auto ref toLower()
toNumber auto ref toNumber(): Converts value to a number.
toPairs auto ref toPairs()
toPairsIn auto ref toPairsIn()
toPath auto ref toPath()
toPlainObject auto ref toPlainObject(): Converts value to a plain object flattening inherited enumerable string keyed properties of value to own properties of the plain object.
toSafeInteger auto ref toSafeInteger(): Converts value to a safe integer. A safe integer can be compared and represented correctly.
toString auto ref toString()
toUpper auto ref toUpper()
transform auto ref transform(T iteratee, U accumulator): An alternative to _.reduce; this method transforms object to a new accumulator object which is the result of running each of its own enumerable string keyed properties thru iteratee, with each invocation potentially mutating the accumulator object. If accumulator is not provided, a new object with the same [Prototype] will be used. The iteratee is invoked with four arguments: (accumulator, value, key, object). Iteratee functions may exit iteration early by explicitly returning false.
trim auto ref trim(T chars)
trimEnd auto ref trimEnd(T chars)
trimStart auto ref trimStart(T chars)
truncate auto ref truncate(T options)
unescape auto ref unescape()
unionBy auto ref unionBy(T values, U iteratee): This method is like _.union except that it accepts iteratee which is invoked for each element of each arrays to generate the criterion by which uniqueness is computed. Result values are chosen from the first array in which the value occurs. The iteratee is invoked with one argument: (value).
unionWith auto ref unionWith(T values, U comparator): This method is like _.union except that it accepts comparator which is invoked to compare elements of arrays. Result values are chosen from the first array in which the value occurs. The comparator is invoked with two arguments: (arrVal, othVal).
union_ auto ref union_(ARGS values): Creates an array of unique values, in order, from all given arrays using SameValueZero for equality comparisons.
uniq auto ref uniq(): Creates a duplicate-free version of an array, using SameValueZero for equality comparisons, in which only the first occurrence of each element is kept. The order of result values is determined by the order they occur in the array.
uniqBy auto ref uniqBy(T iteratee): This method is like _.uniq except that it accepts iteratee which is invoked for each element in array to generate the criterion by which uniqueness is computed. The order of result values is determined by the order they occur in the array. The iteratee is invoked with one argument: (value).
uniqWith auto ref uniqWith(T comparator): This method is like _.uniq except that it accepts comparator which is invoked to compare elements of array. The order of result values is determined by the order they occur in the array.The comparator is invoked with two arguments: (arrVal, othVal).
uniqueId auto ref uniqueId()
unset auto ref unset(T path)
unzip auto ref unzip(): This method is like _.zip except that it accepts an array of grouped elements and creates an array regrouping the elements to their pre-zip configuration.
unzipWith auto ref unzipWith(T iteratee): This method is like _.unzip except that it accepts iteratee to specify how regrouped values should be combined. The iteratee is invoked with the elements of each group: (...group).
update auto ref update(T path, U updater)
updateWith auto ref updateWith(T path, U updater)
upperCase auto ref upperCase()
upperFirst auto ref upperFirst()
values auto ref values()
valuesIn auto ref valuesIn()
without auto ref without(ARGS values): This method is like _.unzip except that it accepts iteratee to specify how regrouped values should be combined. The iteratee is invoked with the elements of each group: (...group).
words auto ref words(T pattern)
xor auto ref xor(ARGS arrays): Creates an array of unique values that is the symmetric difference of the given arrays. The order of result values is determined by the order they occur in the arrays.
xorBy auto ref xorBy(T values, U iteratee): This method is like _.xor except that it accepts iteratee which is invoked for each element of each arrays to generate the criterion by which by which they're compared. The order of result values is determined by the order they occur in the arrays. The iteratee is invoked with one argument: (value).
xorWith auto ref xorWith(T values, U comparator): This method is like _.xor except that it accepts comparator which is invoked to compare elements of arrays. The order of result values is determined by the order they occur in the arrays. The comparator is invoked with two arguments: (arrVal, othVal).
zip auto ref zip(ARGS arrays): Creates an array of grouped elements, the first of which contains the first elements of the given arrays, the second of which contains the second elements of the given arrays, and so on.
zipObject auto ref zipObject(T values): This method is like _.fromPairs except that it accepts two arrays, one of property identifiers and one of corresponding values.
zipObjectDeep auto ref zipObjectDeep(T values): This method is like _.zipObject except that it supports property paths.
zipWith auto ref zipWith(T arrays, U iteratee): This method is like _.zip except that it accepts iteratee to specify how grouped values should be combined. The iteratee is invoked with the elements of each group: (...group).

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